163125655 has 32 divisors (see below), whose sum is σ = 249062400. Its totient is φ = 101676960.

The previous prime is 163125643. The next prime is 163125661. The reversal of 163125655 is 556521361.

It is not a de Polignac number, because 163125655 - 2⁵ = 163125623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163125655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14542 + ... + 23188.

It is an arithmetic number, because the mean of its divisors is an integer number (7783200).

Almost surely, 2^163125655 is an apocalyptic number.

163125655 is a deficient number, since it is larger than the sum of its proper divisors (85936745).

163125655 is an equidigital number, since it uses as much as digits as its factorization.

163125655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8684 (or 8670 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The square root of 163125655 is about 12772.0654163686. The cubic root of 163125655 is about 546.3958886449.

The spelling of 163125655 in words is "one hundred sixty-three million, one hundred twenty-five thousand, six hundred fifty-five".